70 lines
2.5 KiB
C
70 lines
2.5 KiB
C
#ifndef AL_FILTER_H
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#define AL_FILTER_H
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#include "AL/al.h"
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#include "AL/alc.h"
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#include "AL/alext.h"
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#include "almalloc.h"
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#define LOWPASSFREQREF 5000.0f
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#define HIGHPASSFREQREF 250.0f
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struct ALfilter;
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struct ALfilterVtable {
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void (*const setParami )(ALfilter *filter, ALCcontext *ctx, ALenum param, int val);
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void (*const setParamiv)(ALfilter *filter, ALCcontext *ctx, ALenum param, const int *vals);
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void (*const setParamf )(ALfilter *filter, ALCcontext *ctx, ALenum param, float val);
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void (*const setParamfv)(ALfilter *filter, ALCcontext *ctx, ALenum param, const float *vals);
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void (*const getParami )(const ALfilter *filter, ALCcontext *ctx, ALenum param, int *val);
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void (*const getParamiv)(const ALfilter *filter, ALCcontext *ctx, ALenum param, int *vals);
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void (*const getParamf )(const ALfilter *filter, ALCcontext *ctx, ALenum param, float *val);
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void (*const getParamfv)(const ALfilter *filter, ALCcontext *ctx, ALenum param, float *vals);
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};
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#define DEFINE_ALFILTER_VTABLE(T) \
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const ALfilterVtable T##_vtable = { \
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T##_setParami, T##_setParamiv, T##_setParamf, T##_setParamfv, \
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T##_getParami, T##_getParamiv, T##_getParamf, T##_getParamfv, \
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}
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struct ALfilter {
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ALenum type{AL_FILTER_NULL};
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float Gain{1.0f};
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float GainHF{1.0f};
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float HFReference{LOWPASSFREQREF};
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float GainLF{1.0f};
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float LFReference{HIGHPASSFREQREF};
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const ALfilterVtable *vtab{nullptr};
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/* Self ID */
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ALuint id{0};
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inline void setParami(ALCcontext *ctx, ALenum param, int value)
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{ vtab->setParami(this, ctx, param, value); }
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inline void setParamiv(ALCcontext *ctx, ALenum param, const int *values)
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{ vtab->setParamiv(this, ctx, param, values); }
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inline void setParamf(ALCcontext *ctx, ALenum param, float value)
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{ vtab->setParamf(this, ctx, param, value); }
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inline void setParamfv(ALCcontext *ctx, ALenum param, const float *values)
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{ vtab->setParamfv(this, ctx, param, values); }
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inline void getParami(ALCcontext *ctx, ALenum param, int *value) const
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{ vtab->getParami(this, ctx, param, value); }
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inline void getParamiv(ALCcontext *ctx, ALenum param, int *values) const
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{ vtab->getParamiv(this, ctx, param, values); }
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inline void getParamf(ALCcontext *ctx, ALenum param, float *value) const
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{ vtab->getParamf(this, ctx, param, value); }
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inline void getParamfv(ALCcontext *ctx, ALenum param, float *values) const
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{ vtab->getParamfv(this, ctx, param, values); }
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DISABLE_ALLOC()
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};
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#endif
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